Odyssey ODP-AGM31M
Last updated: 27 October 2026
Battery and charging
- Battery weight
- 69.5 (31.5)
- Voltage
- 12
- Capacity
- 87
- Rated charge cycles
- up to 400 cycles at 80% depth of discharge
- Case material
- Polypropylene
- Internal resistance
- 2.6 mΩ
- Cranking current
- 1750 A, 5-second pulse hot cranking amps (PHCA)
- Capacity, at the 20-hour rate
100 Ah at the 20-hour rate
odp-agm31m-battery-31m-925 · retrieved 8 October 2026
“20Hr Nominal Capacity (Ah) 100”
Source: odysseybattery.com/products/odp-agm31m-battery-31m-925
87 Ah at the 20-hour rate
amer-odyssey-batteries-for-marine-applications.pdf · retrieved 8 October 2026
“ODP-AGM31M 1750 1150 87 190 12.9 (328) 6.8 (173) 10.0 (253) 8.9 (226) 6.95 (31.5)”
Source: odysseybattery.com/wp-content/uploads/sites/2/amer-odyssey-batteries-for-marine-applications.pdf
100
Extreme Series Battery Specifications | ODYSSEY® Battery · retrieved 9 October 2026
“ODP-AGM31M (31M-925) 12 1750 1400 1300 925 1325 1150 100 92 200 13 (330) 6.8 (173) 10 (254) 8.9 (226) 69.5 (31.5) SAE and 3/8-16” Stud (Pos.), 5/16-18” Stud (Neg.) 200 (22.6)/100 (11.3) studs only 2.6”
Source: odysseybattery.com/odyssey-battery-specifications
- Capacity, at the 10-hour rate
- 92 Ah at the 10-hour rate
- Reserve capacity
200 minutes
odp-agm31m-battery-31m-925 · retrieved 8 October 2026
“Reserve Capacity Minutes 200”
Source: odysseybattery.com/products/odp-agm31m-battery-31m-925
Extreme Series Battery Specifications | ODYSSEY® Battery · retrieved 9 October 2026
“ODP-AGM31M (31M-925) 12 1750 1400 1300 925 1325 1150 100 92 200 13 (330) 6.8 (173) 10 (254) 8.9 (226) 69.5 (31.5) SAE and 3/8-16” Stud (Pos.), 5/16-18” Stud (Neg.) 200 (22.6)/100 (11.3) studs only 2.6”
Source: odysseybattery.com/odyssey-battery-specifications
190 minutes
amer-odyssey-batteries-for-marine-applications.pdf · retrieved 8 October 2026
“ODP-AGM31M 1750 1150 87 190 12.9 (328) 6.8 (173) 10.0 (253) 8.9 (226) 6.95 (31.5)”
Source: odysseybattery.com/wp-content/uploads/sites/2/amer-odyssey-batteries-for-marine-applications.pdf
odyssey-batteries-for-recreational-vehicles.pdf · retrieved 8 October 2026
“ODP-AGM31M 1750 1050 87 190 13.0 (330) 6.8 (173) 9.5 (240) 8.6 (220) 69 (31.5)”
Source: odysseybattery.com/wp-content/uploads/sites/2/odyssey-batteries-for-recreational-vehicles.pdf
- Cold cranking amps
- 925
- Cranking amps, hot, marine and cold
1150 A marine cranking amps (MCA)
odp-agm31m-battery-31m-925 · retrieved 8 October 2026
“MCA 1150”
Source: odysseybattery.com/products/odp-agm31m-battery-31m-925
amer-odyssey-batteries-for-marine-applications.pdf · retrieved 8 October 2026
“ODP-AGM31M 1750 1150 87 190 12.9 (328) 6.8 (173) 10.0 (253) 8.9 (226) 6.95 (31.5)”
Source: odysseybattery.com/wp-content/uploads/sites/2/amer-odyssey-batteries-for-marine-applications.pdf
1325
Extreme Series Battery Specifications | ODYSSEY® Battery · retrieved 9 October 2026
“ODP-AGM31M (31M-925) 12 1750 1400 1300 925 1325 1150 100 92 200 13 (330) 6.8 (173) 10 (254) 8.9 (226) 69.5 (31.5) SAE and 3/8-16” Stud (Pos.), 5/16-18” Stud (Neg.) 200 (22.6)/100 (11.3) studs only 2.6”
Source: odysseybattery.com/odyssey-battery-specifications
- Marine hot pulse cranking amps (MHPCA)
- 1400 A marine hot pulse cranking amps (MHPCA)
- Marine pulse cranking amps (MPCA)
- 1300 A marine pulse cranking amps (MPCA)
- Hot cranking amps (HCA)
- 1325 A hot cranking amps (HCA)
“ODP-AGM31M (31M-925) 12 1750 1400 1300 925 1325 1150 100 92 200 13 (330) 6.8 (173) 10 (254) 8.9 (226) 69.5 (31.5) SAE and 3/8-16” Stud (Pos.), 5/16-18” Stud (Neg.) 200 (22.6)/100 (11.3) studs only 2.6”
Source: odysseybattery.com/odyssey-battery-specifications
“ODP-AGM31M (31M-925) 12 1750 1400 1300 925 1325 1150 100 92 200 13 (330) 6.8 (173) 10 (254) 8.9 (226) 69.5 (31.5) SAE and 3/8-16” Stud (Pos.), 5/16-18” Stud (Neg.) 200 (22.6)/100 (11.3) studs only 2.6”
Source: odysseybattery.com/odyssey-battery-specifications
“ODP-AGM31M 1750 1050 87 190 13.0 (330) 6.8 (173) 9.5 (240) 8.6 (220) 69 (31.5)”
Source: odysseybattery.com/wp-content/uploads/sites/2/odyssey-batteries-for-recreational-vehicles.pdf
“up to 400 cycles at 80% depth of discharge”
Source: odysseybattery.com/products/odp-agm31m-battery-31m-925
“Construction Thin Plate Pure Lead (TPPL) Absorbed Glass Mat (AGM) Case Material Polypropylene”
Source: odysseybattery.com/wp-content/uploads/sites/2/odyssey-batteries-for-recreational-vehicles.pdf
“Internal Resistance (mΩ) 2.6”
Source: odysseybattery.com/products/odp-agm31m-battery-31m-925
“Pulse (5 second) Hot Cranking Amps (PHCA) 1750”
Source: odysseybattery.com/products/odp-agm31m-battery-31m-925
The maker’s own documents give different figures
“10Hr Nominal Capacity (Ah) 92”
Source: odysseybattery.com/products/odp-agm31m-battery-31m-925
The maker’s own documents give different figures
“ODP-AGM31M (31M-925) 12 1750 1400 1300 925 1325 1150 100 92 200 13 (330) 6.8 (173) 10 (254) 8.9 (226) 69.5 (31.5) SAE and 3/8-16” Stud (Pos.), 5/16-18” Stud (Neg.) 200 (22.6)/100 (11.3) studs only 2.6”
Source: odysseybattery.com/odyssey-battery-specifications
The maker’s own documents give different figures
“MHPCA 1400”
Source: odysseybattery.com/products/odp-agm31m-battery-31m-925
“MPCA 1300”
Source: odysseybattery.com/products/odp-agm31m-battery-31m-925
“HCA 1325”
Source: odysseybattery.com/products/odp-agm31m-battery-31m-925
Battery care and safety
- Operating temperature range
- -40°F (-40°C) to 140°F (60°C)
- Temperatures it may be stored in
- Optimum storage temperature 68°F / +20°C
- Short-circuit current
- 2600 A
“Operating temperatures: -40°F (-40°C) to 140°F (60°C) – Performance batteries”
Source: odysseybattery.com/wp-content/uploads/sites/2/odyssey-batteries-for-recreational-vehicles.pdf
“Optimum Storage Temperature 68°F / +20°C”
Source: odysseybattery.com/products/odp-agm31m-battery-31m-925
“Short Circuit (A) 2600”
Source: odysseybattery.com/products/odp-agm31m-battery-31m-925
Size and fit
- Overall dimensions
13.00 in x 6.80 in x 10.00 in (container 8.90 in)
odp-agm31m-battery-31m-925 · retrieved 8 October 2026
“Length 13.00 in Width 6.80 in Height (terminals included) 10.00 in Height (container) 8.90 in”
Source: odysseybattery.com/products/odp-agm31m-battery-31m-925
12.9 x 6.8 x 10.0 in (container 8.9)
amer-odyssey-batteries-for-marine-applications.pdf · retrieved 8 October 2026
“ODP-AGM31M 1750 1150 87 190 12.9 (328) 6.8 (173) 10.0 (253) 8.9 (226) 6.95 (31.5)”
Source: odysseybattery.com/wp-content/uploads/sites/2/amer-odyssey-batteries-for-marine-applications.pdf
13 (330) 6.8 (173) 10 (254)
Extreme Series Battery Specifications | ODYSSEY® Battery · retrieved 9 October 2026
“ODP-AGM31M (31M-925) 12 1750 1400 1300 925 1325 1150 100 92 200 13 (330) 6.8 (173) 10 (254) 8.9 (226) 69.5 (31.5) SAE and 3/8-16” Stud (Pos.), 5/16-18” Stud (Neg.) 200 (22.6)/100 (11.3) studs only 2.6”
Source: odysseybattery.com/odyssey-battery-specifications
- Torque for the battery terminal nuts
- 200 (22.6)/100 (11.3) studs only
- Terminals
- SAE and 3/8-16” Stud (Pos.), 5/16-18” Stud (Neg.)
- Stated weight
69.50 lbs
odp-agm31m-battery-31m-925 · retrieved 8 October 2026
“Weight 69.50 lbs”
Source: odysseybattery.com/products/odp-agm31m-battery-31m-925
6.95 lb (31.5 kg)
amer-odyssey-batteries-for-marine-applications.pdf · retrieved 8 October 2026
“ODP-AGM31M 1750 1150 87 190 12.9 (328) 6.8 (173) 10.0 (253) 8.9 (226) 6.95 (31.5)”
Source: odysseybattery.com/wp-content/uploads/sites/2/amer-odyssey-batteries-for-marine-applications.pdf
69 (31.5)
odyssey-batteries-for-recreational-vehicles.pdf · retrieved 8 October 2026
“ODP-AGM31M 1750 1050 87 190 13.0 (330) 6.8 (173) 9.5 (240) 8.6 (220) 69 (31.5)”
Source: odysseybattery.com/wp-content/uploads/sites/2/odyssey-batteries-for-recreational-vehicles.pdf
The maker’s own documents give different figures
“Torque Spec in-lbs (Nm max) 200 (22.6)/100 (11.3) studs only”
Source: odysseybattery.com/products/odp-agm31m-battery-31m-925
“ODP-AGM31M (31M-925) 12 1750 1400 1300 925 1325 1150 100 92 200 13 (330) 6.8 (173) 10 (254) 8.9 (226) 69.5 (31.5) SAE and 3/8-16” Stud (Pos.), 5/16-18” Stud (Neg.) 200 (22.6)/100 (11.3) studs only 2.6”
Source: odysseybattery.com/odyssey-battery-specifications
“Terminal SAE and 3/8-16” Stud (Pos.), 5/16-18” Stud (Neg.)”
Source: odysseybattery.com/products/odp-agm31m-battery-31m-925
The maker’s own documents give different figures
Identity
- Model code
- ODP-AGM31M
- What its maker sells it for
- Marine Dual Purpose
- UPC
- 635241140811
“ODP-AGM31M (31M-925) 12 1750 1400 1300 925 1325 1150 100 92 200 13 (330) 6.8 (173) 10 (254) 8.9 (226) 69.5 (31.5) SAE and 3/8-16” Stud (Pos.), 5/16-18” Stud (Neg.) 200 (22.6)/100 (11.3) studs only 2.6”
Source: odysseybattery.com/odyssey-battery-specifications
“ODYSSEY Marine Dual Purpose batteries are ideal for trolling, starting and for powering the many onboard electronic accessories common in today’s boats.”
Source: odysseybattery.com/wp-content/uploads/sites/2/amer-odyssey-batteries-for-marine-applications.pdf
“UPC 635241140811”
Source: odysseybattery.com/products/odp-agm31m-battery-31m-925
Sources
- Archived document
Source: odysseybattery.com/wp-content/uploads/sites/2/amer-odyssey-batteries-for-marine-applications.pdf
Retrieved October 8, 2026
- Extreme Series Battery Specifications | ODYSSEY® BatteryArchived document
Source: odysseybattery.com/odyssey-battery-specifications
Retrieved October 9, 2026
- Archived document
Source: odysseybattery.com/wp-content/uploads/sites/2/odyssey-batteries-for-recreational-vehicles.pdf
Retrieved October 8, 2026
- Archived document
Source: odysseybattery.com/products/odp-agm31m-battery-31m-925
Retrieved October 8, 2026